Major Nelson, from Xbox Live has revealed the initial Xbox 360 titles that will be backwards compatible with the Xbox One. Included is the original Black Ops game.
Our launch of 104 titles on Nov. 12 is just the beginning. You can expect new Xbox One Backward Compatible games to be announced on a regular basis, starting in December. More titles are on the way, including fan favorites like Halo Reach, Halo Wars, Call of Duty: Black Ops, Bioshock, Bioshock 2, Bioshock Infinite and Skate 3. Stay tuned because this just the beginning of a long list of Xbox 360 games that will run on Xbox One.
Source: MajorNelson